1380479690 has 16 divisors (see below), whose sum is σ = 2485887840. Its totient is φ = 551964240.

The previous prime is 1380479689. The next prime is 1380479729. The reversal of 1380479690 is 969740831.

It is a super-2 number, since 2×1380479690² = 3811448349004992200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796 + ... + 52575.

It is an arithmetic number, because the mean of its divisors is an integer number (155367990).

Almost surely, 2^1380479690 is an apocalyptic number.

1380479690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380479690 is a deficient number, since it is larger than the sum of its proper divisors (1105408150).

1380479690 is a wasteful number, since it uses less digits than its factorization.

1380479690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56917.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1380479690 is about 37154.8070914115. The cubic root of 1380479690 is about 1113.4652656787.

The spelling of 1380479690 in words is "one billion, three hundred eighty million, four hundred seventy-nine thousand, six hundred ninety".